German MPs were outraged they weren't notified they were targets in a cyber attack, which resulted in the public release of mobile phone numbers and credit card information.

A sign marks the location of a Chicago Marriott. In November 2018 the hotel chain said their guest reservation database was hacked, compromising the security of up to 500 million customers.
Scott Olson/AFP
January 1, 2019

The November 30, 2018, Marriott International announced a data breach concerning 500 million clients, the second biggest ever. With new data breaches announced nearly every day, how , everyone is now wondering how this was possible.

Emmanuel Macron called for support for “open, secure, stable, accessible and peaceful cyberspace”.
Wikipedia
November 18, 2018